USB to Serial Adapter
USB cable, adapter, enclosure USB Serial Adapter as low as $6.45
www.bestlinknetware.com
Serial interfaces
RS 232, RS 422, RS 485, 20 mA 1 to 8 ports, optically isolated
www.addi-data.com
USB Serial Adapters
Industrial USB Serial Converters RS-232/422/485 to USB 2.0 & 1.1
www.SerialGear.com
EasySync USB Serial
Commercial / Industrial USB-Serial One to 16 Port models from $14.95
www.easysync-ltd.com
Usb Port Hub
USB 2.0 Hubs starting at $13. Ships Same-Day w/ Lifetime Warranty
www.CableWholesale.com
USB DB9 Serial RS232
Sabrent SBT-USC1M USB DB9 Adapter Dual Prolific Chipsets, As low $6.9
www.BuyExtras.com
USB to Serial DB9 Adapter
Connect Serial DB9 Port to USB Port Cheap! Ship Same Day.
www.xPCgear.com
RS232 to Bluetooth Module
Long range to 1200 meters RS232 wireless link via Bluetooth dongle
www.lemosint.com
Touchstone Neurorecovery
Accredited rehabilitation centers Traumatic Brain and Head Injuries
www.touchstoneneuro.com/
USB2.0 to Serial Adapters
RS-232/422/485, Surge Suppression Multiport Industrial Configurations
www.quatech.com